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Best Wireless Chargers: Everything You Need To Know
The wireless charger has been around for many years, and the technology has been growing steadily with many companies adopting it as an alternative way of charging their Smartphone’s.
As the name states, these chargers don’t use a wired connection and that’s why it’s worth learning about it. In this article, we’re going to explain everything that you would like to know about wireless charging, how it works, which devices support it, and many more.
What is wireless charging?
Wireless charging as its name suggests gives you the ability to charge your device wirelessly. Although, it’s not always quite as simple as that, as it typically requires a wireless charging mat attached by wire to a standard power socket, and a device containing a battery.
It’s designed to be a convenient way for you to power up your gadgets, and as the tech behind it continues to improve, more and more devices are adding it as an option.
How does it work?
Wireless charger transfers energy electromagnetically between two objects. In this case, the objects are your Smartphone and the charger. The chargers emit alternating electromagnetic energy through the transmitter coil, which induces an alternating current/voltage in the receiver coil located inside the device, and this starts charging your phone when you bring them close enough.
While new methods use thinner coils and higher frequencies than past iterations, wireless charging is still less efficient and more costly than the standard wired charger. It will stay this way for the foreseeable future.
What are the types of wireless charging method available?
There are three different types of wireless charging methods. They include resonance, inductive, and radio. Resonance charging is a type of wireless charging that is used for devices that utilize a high amount of power. These are devices like laptops and robots.
The inductive charging type is typically used for medium-sized devices like different types of Smartphone’s and tablets while the radio type of wireless charging is used to charge devices that utilize very little power.
How do I charge wirelessly?
To use a wireless charger, just plug the charging pad into the wall. As long as your phone supports wireless charging, you can place your phone on the pad and watch your device juice up. A light indicator lets you know when it’s charging.
Can I charge my Smartphone in its case?
In most cases, wireless charging works without removing the phone’s case or cover. Direct contact with the wireless pad isn’t necessary to start charging, so having a few millimeters between the charger and your phone isn’t going to hurt anything. Although, the thicker the case is, the more likely the charger just won’t be able to make contact.
Cases like Otter boxes should be okay, but one type of phone case that will undoubtedly cause an issue is the metal ones. Also, you need to consider the wireless charger itself. If you’re using a cheap charger, there’s a chance it may not be strong enough to penetrate the case.
Is wireless charging safe?
Safety is a question that needs to be answered. Wireless charging is said to emit electromagnetic radiation when charging is taking place, but you and your devices are safe when you use wireless charging. In some ways, using a wireless charger is actually safe than the wired charging. Wireless charging transmits energy without any contact with exposed electrical connectors. This reduces the possibility of any kind of spark and electric shocks.
What phones support it?
Many devices now have built-in Qi wireless charging. Therefore, all you need to do is acquire a wireless charging pad, and you’re ready to go. For instance, the Samsung Galaxy S6, S6+, S7, S7+, S8+, S9, S9+, Note 5, Note 8, iPhone 8, iPhone 8+, iPhone X, Nokia Lumia 735, 820, 830, 920, 928, some Sony Xperia phones, LG phones, Nexus phones and many more have built-in Qi.
There are also various other phones, which can be wirelessly charged with the help of a wireless charging case. These phones include but not limited to the Samsung Galaxy S5, Samsung Galaxy Note 4, iPhone 6, iPhone 6 Plus, iPhone 5S, iPhone 5, and iPhone 4S.
Which wireless charger should I buy?
There are a plethora of wireless chargers on the market. However, some wireless chargers that worth mentioning include Spigen Essential F301W Wireless Fast Charge. Spigen Essential charging pad delivers twice the charging power of first-generation wireless pads.
You can’t also go wrong with Qi Wireless Charging Pad Deluxe. This charger works with all Qi compatible including Samsung Galaxy S9, S9+, iPhone 8, iPhone 8+ and iPhone X. The Qi Wireless Charging Mat and In Car Windscreen Mount is also a solid choice.
What are the benefits?
Convenience is one of reason to use wireless charging over the cabled alternative. Wireless charger aims to free you from wires, although a charging mat is still required. The best thing about the wireless charger is that they are durable and don’t get worn out the way wired ones do from continually plugging them in and unplugging them. It can integrate with almost all mobile phones that support Qi charging regardless of the size or shape of the phone.
Another benefit is that wireless chargers allow you to charge multiple devices at once. This means that everybody’s phone and every other device that supports wireless charging can be charged with no cord, all at once. This is beneficial because you will reduce the number of cables required and other power adapters used at home or workplace. Wireless charging also includes built-in functionality to shut down the process when charging is complete.
What are the drawbacks?
There are few drawbacks to wireless charging – the most significant being that it is a bit slower than what you’d get from plugging in a cable because some energy is being lost in the process of creating the magnetic field or the process of sending the energy from the transmitting to receiving coil.
Also, you will need to keep the device on the charging pad at all times for it to charge, which means once you remove the device from that charging mat, it halts the process. The technology used in making wireless charging is quite expensive to produce at the moment, so if your device doesn’t have it built in, you’ll likely have to pay to add it retroactively.
A faster future waits –
Wireless charging is great, but there are potentials for it to be so much better. Indeed, speed is one of the wireless charging’s biggest weak points. Samsung and some other companies have been trying to address this issue by producing Fast Charge pad that can charge Qi devices 1.5 times faster when compared to a stock Qi charger.
We also expect to see a more extended range of wireless charging in the future so that there will be no need to place your gadgets on the wireless pad before it can charge wirelessly. However, some manufacturers have started building wireless chargers right into things like car dashboards and tables to make wireless charging even more convenient. As technology continues to progress, we think we’ll see more and more phones with built-in wireless charging capabilities.
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Author Info – Chris Alick Originally from Brisbane Qld Australia, Chris graduated from Buffalo State College in 2012 with an Advanced Diploma of Engineering (Electronics) and also holds a Diploma of IT Web Design, Diploma Of Management and a Diploma Of Business. Chris has been writing since 2010. Chris is a technology fan and outside of technology Chris enjoys outdoor recreations like fishing, boating, and camping during his somewhat limited spare time.